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Input plugin startup call sequence

This page applies to Harlequin v13.1r0 and later; and to Harlequin MultiRIP but not Harlequin Core

The initialization sequence for an input plugin involves the following selector calls:

    This may be called at various times to ascertain whether or not some other selector is supported by the plugin. See D_SELECTOR_SUPPORT (input plugin) .
    This call identifies the type of the plugin. See D_GET_IDENTITY (input plugin) .
  3. D_GEN_BOOT .
    This call allows the plugin to tell the RIP how much memory should be allocated for it. See D_GEN_BOOT .
    This call allows the plugin to set up any initial state information it needs. See D_IP_PLUGIN_INITIALISE .
    This call allows the plugin to verify that it can work with this copy of the RIP and with the dongle attached. See D_SECURITY (input plugin) .
    This call allows the plugin to describe the channel classes it supports. It describes one channel class per call. The RIP calls the selector repeatedly until the plugin indicates that it has sent descriptions for all the channel classes it supports. See D_IP_GET_CHANNEL_CLASS_DESCRIPTIONS .

Any time after the D_IP_GET_CHANNEL_CLASS_DESCRIPTIONS calls, the RIP can obtain the dynamic dialog information necessary for interaction with the user. Any such calls can be interleaved with channel creation calls and should not affect them.

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